Home / 523,069.20-721,813.68-296,757.36

Finding the Fourth Proportional to 523,069.20, 721,813.68 and 296,757.36

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Solution

The fourth proportional to 523,069.20, 721,813.68 and 296,757.36 is: 409,512.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,069.20 : 721,813.68 = 296,757.36 : x
  2. Step 2: Convert to fraction form
    523,069.20/721,813.68 = 296,757.36/x
  3. Step 3: Cross multiply
    523,069.20x = 721,813.68 × 296,757.36
  4. Step 4: Simplify right side
    523,069.20x = 214,203,522,088.69
  5. Step 5: Solve for x
    x = 214,203,522,088.69/523,069.20
  6. Step 6: Final answer
    x = 409,512.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.